<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        function func1(){
            console.log("跑步可以锻炼身体")
        }

        function func2(){
            console.log("游泳也能锻炼身体")
        }

        //函数的嵌套调用
        function func3(){
            func1();
            func2();
        }
        func3()
    </script>
</head>
<body>
    
</body>
</html>